Part Number: NRF51822, N51822
Function : Bluetooth low energy and 2.4GHz proprietary SoC
Package: 48-pin 6×6 QFN
Manufacturer: Nordic Semiconductor
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Features
1. Single chip, highly flexible, 2.4 GHz multi-protocol device
2. 32-bit ARM Cortex M0 CPU core
3. 256kB/128kB flash + 32kB/16kB RAM
4. Supports Bluetooth low energy protocol stacks
5. Thread safe and run-time protected
6. Event driven API
7. On air compatible with nRF24L series
8. 3 data rates (2Mbps/1Mbps/250kbps)
Pinout
Description
The nRF51822 is a powerful, highly flexible multiprotocol SoC ideally suited for Bluetooth® low energy and 2.4GHz ultra low-power wireless applications. The nRF51822 is built around a 32-bit ARM® Cortex™ M0 CPU with 256kB/128kB flash + 32kB/16kB RAM for improved application performance. The embedded 2.4GHz transceiver supports both Bluetooth low energy and the Nordic Gazell 2.4 GHz protocol stack which is on air compatible with the nRF24L series products from Nordic Semiconductor.
Official Hompage :
https://www.nordicsemi.com/eng/Products/Bluetooth-low-energy/nRF51822
Reference PDF :
http://www.johansontechnology.com/datasheets/baluns/JTI-AN020-v2.0.pdf